#VU71714 External Control of File Name or Path in Cinder - CVE-2022-47951

Vulnerability identifier: #VU71714

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-47951

CWE-ID: CWE-73

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cinder
Server applications / Other server solutions

Vendor: Openstack

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to application allows an attacker to control path of the files when processing VMDK flat images. A remote user can create a specially crafted VMDK flat image that references a specific backing file path and convince systems to return a copy of that file's contents from the server, resulting in unauthorized access to potentially sensitive data.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Cinder: 19.0.0, 19.1.0 - 19.1.1, 19.2.0, 20.0.0 - 20.0.1, 20.1.0, 21.0.0

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External links
https://security.openstack.org/ossa/OSSA-2023-002.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.